Granted Patent
Utility
US 6,817,565 · App. 10/098,252
Take-up shaft for cleaning cylinder device
Inventors:
Avi Ben-Porat, James Freebairn, Edward Marganski, John Marganski, Daniel Marselli
Patented Case
View Patent ↗
Granted: Nov 16, 2004
Filed: Mar 14, 2002
Inventors
Avi Ben-Porat
James Freebairn
Edward Marganski
John Marganski
Daniel Marselli
Assignee (at issue)
Baldwin Graphic Systems Inc.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.